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Nesterboy [21]
3 years ago
5

PLEASE HELP! MY FRIEND AND I CANT FIGURE THIS OUT!!! i attached a picture of the question please help us

Mathematics
1 answer:
Svet_ta [14]3 years ago
6 0

We got a three 18 of 80 times,

rel freq = 18/80 = 22.5%

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marishachu [46]
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7 0
3 years ago
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If i roll 2 dice what is the probability that neither of them are prime nor even?
Eduardwww [97]

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There are 3 prime numbers shown on the die: 2, 3 and 5. The probability of showing a prime number on a single die is 1/2, hence the probability of not showing a prime number is also 1/2. Total possible outcomes when two dice are rolled = 6*6 = 36. Total possible outcomes when two dice are rolled = 6*6 = 36.

4 0
3 years ago
Solve the following by elimination method <br> 11x+15y+23=0 and 7x-2y-20=0
mr Goodwill [35]
Let 11x + 15y + 23 = 0 be equation (1)
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Multiply equation (1) by 2:
22x + 30y + 46 = 0

Multiply equation (2) by 15:
105x - 30y - 300 = 0

Add equations (1) and (2):
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127x = 254
x = 254/127
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Substitute x = 2 in equation (1) to find y:
11(2) + 15y + 23 = 0
22 + 15y + 23 = 0
15y + 45 = 0
15y = -45
y = -45/15
y = -3

Therefore, x = 2 and y = -3.
7 0
3 years ago
The first U.S. census was conducted in 1790. At that time, the population was 3.93 million. Since then, the U.S. population has
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Answer:

It's actually A, because the US population got doubled ever year

4 0
2 years ago
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Marina86 [1]
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